docs: remove precautions section from README files

Author: ipcjs

README.en.md

@@ -90,15 +90,3 @@ git add -A
 # Commit local warehouse
 git commit -m "Initial commit"
 ```
-
-## Precautions
-
-### Version management, while iterating the version, remember to synchronize the scripts under mysql
-
-```sh
-# bus frontend
-BUS_WEB_VERSION=xxx
-# bus backend
-BUS_GATEWAY_VERSION=xxx
-#...
-```

README.md

@@ -90,15 +90,3 @@ git add -A
 # 提交本地仓库
 git commit -m "Initial commit(初始化仓库)"
 ```
-
-## 注意事项
-
-### 版本管理, 版本迭代同时, 记得同步mysql下面的脚本
-
-```sh
-# bus前端
-BUS_WEB_VERSION=xxx
-# bus的后端
-BUS_GATEWAY_VERSION=xxx
-#...
-```